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Control of adenovirus late promoter expression in two human cell lines. 总被引:29,自引:11,他引:18
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A cell type-specific enhancer drives expression of the chick muscle acetylcholine receptor alpha-subunit gene 总被引:14,自引:0,他引:14
The regulation of acetylcholine receptor alpha-subunit gene expression was analyzed by transient expression assays. Using rabbit beta-globin cDNA as a reporter gene, we have confirmed that the 5'-flanking sequence of the chicken acetylcholine receptor alpha-subunit gene directs specific expression in differentiated C2C12 cells, a mouse muscle cell line, but not in undifferentiated C2C12 cells and mouse 3T3 fibroblasts. Testing chimeric plasmids containing Bal31 deletion mutants of the alpha-subunit gene upstream sequence, we found the -116 to -81 region of the alpha-subunit to be responsible for tissue- and stage-specific expression. This 36 bp fragment stimulates the activity of both alpha-subunit and SV40 promoters in a distance- and orientation-independent manner, thus fulfilling the criteria of an enhancer. 相似文献
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Molecular analysis of erythropoiesis : A current appraisal 总被引:2,自引:0,他引:2
Paul R. Harrison 《Experimental cell research》1984,155(2):321-344
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